Contact Us

Mon - Fri: 8 - 12:30 and 1:30 - 5 p.m.;
Sat (Fall/Spring): 10 a.m. - 2 p.m.;
Sat (Summer): Closed;
Sun: Closed;
Locker access for packages (with AU ID card):
7 a.m. - 7 p.m. (8 p.m. in summer), 7 days a week

Letts Hall Lower Level, Room LL1 on a map

Mail Services 4400 Massachusetts Avenue NW Washington, DC 20016 United States

Mail Services Chargeback

Mail Services requires that all departments utilize the Postage Charge Slip for AU-approved outbound mail. The form has transitioned to a digital form via Service Now. Please complete and submit the form. After submission you will receive an email with your form responses. Please print that email and include with your outgoing mail. These charges will be posted against your budget monthly.

Submit Postage Charge Slip Form

If you have questions or concerns about your charges, don't hesitate to get in touch with us at 202-885-2575 or mailservices@american.edu.